Tamilnadu Water Supply & Drainage Board (TWAD), Govt. of Tamilnadu.
Public Works Dept (PWD), Govt. of Goa.
Public Health Engineering Division (PHED), Govt. of Rajasthan
Water Security and Public Health Engineering Dept, Govt. of Sikkim
Irrigation and CAD Dept., Govt. of Andhra Pradesh
Narmada Development Circle, Govt. of Madhya Pardesh
Hindustan Petroleum Corporation Ltd (HPCL)
Bharat Petroleum Corporation Ltd (BPCL)
Indian Oil Corporation Ltd (IOCL)
Oil & Natural Gas Corporation Ltd (ONGC).
Reliance Industries Ltd
Maharashtra Industrial Development Corporation Ltd (MIDC)
Karnataka Urban Water Supply & Drainage Board (KUWS&DB), Govt. of Karnataka
Karnataka Neeravari Nigama Limited (KNNL), Govt. of Karnataka
Bangalore Water Supply & Sewerage Board (BWSSB)
Kerala State Electricity Board (KSEB)
Vidarbha Irrigation Development Corp (VIDC), Maharashtra Krishna Valley Development Corp (MKVDC) – Maharashtra.
Saradar Sarovar Narmada Nigam Ltd (SSNNL), Govt. of Gujarat
Indian Navy, Mazgaon Dock & Karwar